#Elasticsearch

Started with SQL LIKE, hit its limits, moved to Elasticsearch, and got shocked by operational costs. The real trade-offs of search systems.

Logs are the black box of your infrastructure. When disaster strikes, grep is not enough. We explore the ELK Stack—the industry standard for centralized logging. Understand the roles of Elasticsearch, Logstash, and Kibana, compare modern alternatives like Fluentd and Vector, and learn strategies for Index Lifecycle Management (ILM).